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Fair Value Measurements, Derivative Instruments and Hedging Activities - Reconciliation of Changes in Carrying Amounts of Goodwill (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified | May 31, 2013
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Disclosure Reconciliation Of Changes In Carrying Amounts Of Goodwill [Abstract] |
Accumulated goodwill impairment charges | $ 153

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- Definition The accumulated impairment losses related to goodwill as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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